Rules: To be eligible, you must leave a valid e-mail address (or Twitter handle or Facebook profile URL) in the comment-entry field. One guess per e-mail address. Employees of the restaurant in question and Riverfront Times are not eligible.

Update: (Wednesday, October 31, 1:45 p.m.) Apologies for the late update. Congrats to just1chris2000, who correctly guessed that these cheese fries are from Joe's Chile Bowl at the Terrace View (808 Chestnut Street; 314-241-7070).